# MiMo-V2-Flash vs Step 2 16k Exp 202412

> MiMo-V2-Flash is the stronger model overall, scoring 40.8 to 38.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/mimo-v2-flash-vs-step-2-16k-exp-202412
- Last updated: 2026-10-10
- Shared benchmarks: 12

## Summary

- They share 12 benchmarks with published results for both. MiMo-V2-Flash scores higher in 6 categories and Step 2 16k Exp 202412 in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where MiMo-V2-Flash leads 59.9 to 52.5.
- MiMo-V2-Flash has downloadable open weights; the other is API-only.

## Snapshot

| | MiMo-V2-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| Provider | Xiaomi | StepFun |
| Noometry Index | 40.8 | 38.6 |
| Rank | 137 | 173 |
| Context | 262K | — |
| Input $/M | $0.14 | — |
| Output $/M | $0.28 | — |
| Weights | Open | Proprietary |

## Coding

- MiMo-V2-Flash: 35.8 (#205)
- Step 2 16k Exp 202412: 37.9 (#170)

| Benchmark | MiMo-V2-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1443 | 1316 |
| LMArena WebDev | 1330 | — |
| SciCode | 25.9% | — |
| ALE-Bench | 737.95 | — |

## Reasoning

- MiMo-V2-Flash: 24.1 (#155)
- Step 2 16k Exp 202412: 24.8 (#140)

| Benchmark | MiMo-V2-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1420 | 1299 |
| CritPt | 0% | — |

## Math

- MiMo-V2-Flash: 35.6 (#141)
- Step 2 16k Exp 202412: 33.6 (#171)

| Benchmark | MiMo-V2-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1396 | 1305 |

## Knowledge

- MiMo-V2-Flash: 39.1 (#126)
- Step 2 16k Exp 202412: 34.6 (#187)

| Benchmark | MiMo-V2-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1425 | 1279 |

## Multilingual

- MiMo-V2-Flash: 51.1 (#109)
- Step 2 16k Exp 202412: 43.9 (#176)

| Benchmark | MiMo-V2-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1391 | 1290 |
| LMArena Chinese | 1463 | 1331 |
| LMArena Russian | 1387 | 1324 |
| LMArena French | 1429 | — |
| LMArena German | 1395 | — |
| LMArena Japanese | 1324 | — |
| LMArena Korean | 1358 | — |
| LMArena Spanish | 1420 | — |

## Instruction Following

- MiMo-V2-Flash: 73.7 (#115)
- Step 2 16k Exp 202412: 68.1 (#187)

| Benchmark | MiMo-V2-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1392 | 1287 |

## Long Context

- MiMo-V2-Flash: 43.0 (#106)
- Step 2 16k Exp 202412: 39.7 (#165)

| Benchmark | MiMo-V2-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1409 | 1307 |

## Writing & Preference

- MiMo-V2-Flash: 59.9 (#101)
- Step 2 16k Exp 202412: 52.5 (#168)

| Benchmark | MiMo-V2-Flash | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1411 | 1321 |
| LMArena Creative Writing | 1375 | 1328 |
| LMArena Multi-Turn | 1404 | 1292 |

## FAQ

### Is MiMo-V2-Flash better than Step 2 16k Exp 202412?

MiMo-V2-Flash is the stronger model overall, scoring 40.8 to 38.6 on the Noometry Index.

### Is MiMo-V2-Flash or Step 2 16k Exp 202412 better for coding?

Step 2 16k Exp 202412 scores higher on coding benchmarks: 37.9 versus 35.8 in the Noometry coding category.

### How many benchmarks do MiMo-V2-Flash and Step 2 16k Exp 202412 share?

12 benchmarks have published results for both models. MiMo-V2-Flash has 21 scored results on Noometry and Step 2 16k Exp 202412 has 12.